package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 动态条件查询购物车
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 修改购物车中的菜品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void update(ShoppingCart shoppingCart);

    /**
     * 像购物车中插入数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart " +
            "(name, image, user_id, dish_id, setmeal_id, dish_flavor, " +
            "amount, create_time) " +
            "value" +
            "(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor}," +
            "#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void clean(Long userId);

    /**
     * 删除一个
     * @param id
     */
    @Delete("delete from shopping_cart where id=#{id}")
    void delete(Long id);

    void insertBatch(List<ShoppingCart> shoppingCartList);
}
